45629253978 has 64 divisors (see below), whose sum is σ = 113800688640. Its totient is φ = 11849270400.

The previous prime is 45629253941. The next prime is 45629254031. The reversal of 45629253978 is 87935292654.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3439438 + ... + 3452678.

It is an arithmetic number, because the mean of its divisors is an integer number (1778135760).

Almost surely, 2^45629253978 is an apocalyptic number.

45629253978 is an abundant number, since it is smaller than the sum of its proper divisors (68171434662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45629253978 is a wasteful number, since it uses less digits than its factorization.

45629253978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20723.

The product of its digits is 32659200, while the sum is 60.

The spelling of 45629253978 in words is "forty-five billion, six hundred twenty-nine million, two hundred fifty-three thousand, nine hundred seventy-eight".